function count() {// 是否支持localStorageif (window.localStorage) {if (window.localStorage.getItem("count")) {var c = parseInt(window.localStorage.getItem("count"));window.localStorage.setItem("count", c + 1);} else {window.localStorage.setItem("count", 0);}}}count();var abc = localStorage.getItem('count');//清空记录localStorage.removeItem('count')